Shimano M640 Zee Hydraulic Disc Brake

Shimano Zee in a new line of gravity components that comes at a friendlier price point than the Shimano Saint big brother. The new Zee hydraulic disc brakes feature a powerful four piston caliper and shorty style brake levers. The brakes come with Ice Technology brake pads that will help keep your brakes running cool even when the downhill course gets gnarly. Zee brakes have One-Way bleeding, for fast and easy maintenance.

I-spec B

I-spec "B" type is the newer version, for the older I-spec "A" type

SERVO WAVE lever pivot

Shorty Levers

High rigidity ceramic pistons for heat insulation

Anti-slip dimpled lever blade

Super stiff high power 3-layer brake hose for a more consistent lever feel

Being my first Shimano brakes I've owned I was quite skeptical about them since, I grew so accustomed to Sram style brakes. I wasn't sure how the modulation would be I knew they were going to have greater stopping capabilities but, how much? After riding these brakes in all different weather conditions they didn't lack confidence. Mocked up with the Ice tech rotors and a Sram centerline they were quiet, subtle, and didn't lack in braking whether water or mud got in them. This also is also applied towards dusty dry conditions as well. In addition, the brake pads last as long as any other pads I've owned. This will also obviously correspond to what riding you do as well. Riding only Enduro, DH, bike park style the modulation stayed consistent, they're lever feel at first is very progressive and linear if you're feathering them. However, when you need them most they resemble a Sram brake on how they are on or off which I like and am most accustomed too. The lever itself has good ergonomics and I like the dimpling they incorporated in the lever itself for added grip. They are a little bit on the short side for length than what I'm used to but, I gradually grew into them. Bleeding the brakes are straight forward as everyone has said and I like the fact that its mineral oil not damaging any paint on the bike. The Hydraulic line is long but, shortening them is an easy process to make it just right for your bike. Overall, these brakes have performed great in any situation either on a muddy DH race or a day on singletrack and I got them on sale so you can't beat that.

I bought a set of these brakes to replace a set of Hayes Stroker Trails. WOW, they are awesome! Installation was easy. When bleeding the brakes, you don't have to worry about the oil eating the paint if you spill a drop. When you pair the brakes with the Ice Tech rotors, they are almost impossible to overheat. The only gripe I have is that replacement pads are expensive. Especially the ones with the heat fin.

Very tough, powerful quad piston brakes. Makes braking over the course of long, steep descents much easier with the power these brakes provide from a relaxed lever pull. easy to bleed and an amazing price. far more powerful than XTs, and way cheaper and offer the same trail performance as Saints.

Bought these brakes for front and rear on a recent bike build and I couldn't be happier with them. They were easy to bleed (after cutting cable length) Certainly helps by bleeding them OFF the bike before you fit them. Once bled they have amazing stopping power for the price and they look really nice. They also came with the ice-tech pads included and not the cheaper standard pads. Great value indeed. As usual JensonUSA made the purchase very easy and headache free....

After installing Saints on my first two Enduro bikes, and on my current DH bike, I decided to save some money and buy the Zees for my current All Mountain/Enduro bike.They're basically Saints, but without the tool-free reach adjust, and contact adjustment that doesn't exist on the Saints either, despite there being a adjustment screw(with loc-tite on it..go figure).I paid $600 for the Saints with rotors, and paid a little less than $400 for the Zee's with the same rotors(Ice Tech). It's a fricken no-brainer, and I wish I would've bought Zee's instead of my other Saints.

The Shimano Zee brake set doe not have the activation pressure/ click into place feeling that I get from other Shimano brakes which I like a lot. These brakes also provide room for modulation while being able to lock them up when necessary. Much more powerful than my Guide R's in DH settings.

These brakes are awesome. They have plenty of stopping power, but are not sticky as I thought they might be. Easy to apply light, smooth breaking, but if you grab a handful hang on, because they will stop you VERY quickly.

PROS: Plenty Of Cable, Looks great, Easy To Install, Smooth, LOTS OF POWER

I received these as a replacement to a faulty brake on my DB Overdrive Pro - Shimano was great with warranty issue and gave me these great brakes that have not failed in last year. Thinking of builing up a FS- These would definately be in running for brakes purchase.

I live in So Cal and have purchased a few items from Jensen. The service is incredible. My order has been exactly what I ordered as has been delivered as quick as overnight with standard delivery!!! Keep up the good work Jensen!!!

I out these on my V-10 and use solely for the purpose of DH riding. These brakes are super strong and reliable. You get what you pay for. If you want more adjustabililty, buy the Saints. If you're not too concerned about weight and you're fine with using an allen key for adjustments and want to play less, these are perfect.

Im impressed by the silent braking, coming from Avids. The lever is comfortable and its asthetically pleasing. It seems bulky, but it IS a DH specific brake. I'm using it for trail riding. I'm defenitely riding faster because of the confidence of good brakes to manage speed.

The handle on the brakes are good for one or two finger. Also, it doesn't require lot of pressure to lock the brakes which I like. Which instead of cutter pin to hold the brakes they would of use bolt like the saints.

Very pleased with ease of installation. Was able to shorten the rear hose and rout it internally without the need re-bleed the brakes, after watching a quick how-to video from Shimano.

I am 190lb very agressive XC racer, who dabbles in Enduro and Super-D style events on a 29er hardtail at the expert level. I was willing to give up a slight weight penalty over the XT's for the abundant quad piston power of downhill brakes. Maybe overkill for my application, but so far I love the worry free stopping power, and quiet operation.

It did take a little time to get used to the power, as I found myself inadvertantly locking up a wheel from time to time as this was never really an option before coming from Magura MT-S.

I also found myself wishing the ZEE's had the tool free reach adjust found on the more expensive models, as the pad engagement and lever travel seemed to change (reduce) during use becoming almost too firm during decents.

I’m running this on the front of my trials bike. It cost much less than other four piston calipers. I know it’s not a Hope but it’s far superior to the single piston Magura I had. I’m pretty happy with the power. My other Shimano brakes have been very reliable and this one hasn’t let me down either.

I have only used Avid brakes in the past but I thought I would try Shimano Zee brakes. I am currently using the cheap shimano rotors that are meant for resin pads and these brakes come with metallic pads. They work surprisingly well with the rotors and pads not matched. The modulation is excellent. I really love the feel of these brakes overall. They are somewhat like a break away lever and flip forwards about 90 degrees. The short levers are nice if you like to break with one finger. The clamp system is hinged which I also love because it makes putting on or taking them off a lot easier since you don't have to remove your grips to do so.

My Rocky Mountain Altitude came with very basic Shimano Deore brakes, and because I'm a bigger dude, I was maxxing them out all the time.

The ZEE brakes have phenomenal stopping power, I can do more with one finger than I could with 2 on the original brakes. I find that I can allow myself to carry more speed and brake much later as well.

Tons of stopping power and a perfect upgrade for any downhill bike, other than Saints. Only con is the brake pads are only held in by a tiny pin and pretty loose. It doesn't affect braking power though.

I sold my Sram Guides a few months ago and switched to these. I sure love the extra bite that they give. Even though they have more articulation than other/previous shimano products, I prefer the on/off feeling they give. The 4 pot gives my trail bike amazing stopping power. If I did trail riding only, these might be overkill.

The levers are cool too. I like the little divets that keep the brakes from getting slippery.

Great price for a four piston caliper, excellent modulation, very responsive. Easy to set up, bleed and changing of pads, the best hack get rid of the cotter pin holding pads in place, purchase Shimano XT BR-M785 pad axle & snap ring, threads are already tap on caliper, simple bolt on.

Had read good things about the ZEE products so tried them on a downhill bike build. Awesome! While the Saint products had more finesse and adjustability, These brakes deliver. Not as adjustable, but I am old, I never had adjustments on the brakes, you just used what you had and made it work. These brakes deliver great performance at a lower price point - - they are a great value!

So let me just start by saying that I am not a downhiller, enduro, or trials rider, but what I am is a 6'3" 220ish pound trail rider that likes to push it.

My old deores were leaving me with arm fatigue from pulling so hard to slow my myself down. My local LBS suggested SRAM Guides , but after reading all the reviews and seeing the positive reaction my gf had after installing only SLX brakes on her rig, I opted for the ZEEs.

Their hardly that much more weight than the XTs and I actually prefer not having an adjustment knob hanging off the front to get snapped off.

As far as reviews about them being grabby, you must have a bad bleed, or poor control, because the modulation on mine is SUPERB. I can lightly feather them or throw myself over the handlebars all with a fingertip. I'm riding faster and more confidently after installing these.

BEST ANSWER:Yes they do. However, you will likely want to shorten the cable at some point which will require a bleed. The brakes are ready to ride out of the box though, I just prefer not to have a lot of extra cable.

BEST ANSWER:Yes they do. However, you will likely want to shorten the cable at some point which will require a bleed. The brakes are ready to ride out of the box though, I just prefer not to have a lot of extra cable.

BEST ANSWER:It was a while back when I bought these. AMAZING brakes tho. Yes it was for a set, lever, caliber and pads. They came bled and ready to go. But I would recommend re bleeding once installed. And grab a new shimano ice tech rotor.

BEST ANSWER:It was a while back when I bought these. AMAZING brakes tho. Yes it was for a set, lever, caliber and pads. They came bled and ready to go. But I would recommend re bleeding once installed. And grab a new shimano ice tech rotor.

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